.flex_row_center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex_row_between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex_row_around {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.flex_column_center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.pos_center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%)
}

.clearFixed:after {
    display: block;
    content: "";
    clear: both;
    height: 0;
    visibility: hidden; //隐藏
}

.line_1 {
    display: block; //如果已经是，可以不要
    overflow: hidden;
    white-space: nowrap; //不换行
    text-overflow: ellipsis; //省略号
}

.line_2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.line_3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.scroll_y {
    overflow-y: scroll;
}

.scroll_y::-webkit-scrollbar {
    display: none;
}

.grid_3{
    padding: 10px;
    width: 100vw;
    height: 400px;
    display: grid;
    /* 行控制 */
    grid-template-rows: 1fr 1fr 1fr;
    /* grid-template-rows: repeat(3,1fr); */
    /* 列控制 */
    /* grid-template-columns: repeat(3,1fr); */
    grid-template-columns: 1fr 1fr 1fr;
    /* 行列间距 */
    /* gap: 20px; */
    gap: 20px 10px;
}

.hide{
    display: none !important;
}

// loading
.loadEffect{
    width: 100px;
    height: 100px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
  
}
.loadEffect span{
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: $Color;
    position: absolute;
    animation: load 1.04s ease infinite;
}
@keyframes load{
    0%{
        transform: scale(1.2);
        opacity: 1;
    }
    100%{
        transform: scale(.3);
        opacity: 0.5;
    }
}
.loadEffect span:nth-child(1){
    left: 0;
    top: 50%;
    margin-top:-10px;
    animation-delay:0.13s;
}
.loadEffect span:nth-child(2){
    left: 14px;
    top: 14px;
    animation-delay:0.26s;
}
.loadEffect span:nth-child(3){
    left: 50%;
    top: 0;
    margin-left: -10px;
    animation-delay:0.39s;
}
.loadEffect span:nth-child(4){
    top: 14px;
    right:14px;
    animation-delay:0.52s;
}
.loadEffect span:nth-child(5){
    right: 0;
    top: 50%;
    margin-top:-10px;
    animation-delay:0.65s;
}
.loadEffect span:nth-child(6){
    right: 14px;
    bottom:14px;
    animation-delay:0.78s;
}
.loadEffect span:nth-child(7){
    bottom: 0;
    left: 50%;
    margin-left: -10px;
    animation-delay:0.91s;
}
.loadEffect span:nth-child(8){
    bottom: 14px;
    left: 14px;
    animation-delay:1.04s;
}